Management Change and Performance Insights for IUSB
By ATTN Desk · Editorial oversight: Sean Han
iShares Core Total USD Bond Market ETF (IUSB) — Profile as of 2025-05-21
Introduction
The iShares Core Total USD Bond Market ETF (ticker: IUSB) is an exchange-traded fund listed on the Nasdaq Global Market. It seeks to track the investment results of a broad, market-value-weighted index of U.S. dollar-denominated, taxable investment-grade fixed-rate bonds.
Corporate Structure
- Sponsor: iShares Trust, a series of funds managed by BlackRock Fund Advisors
- Parent Company: BlackRock, Inc. (global asset manager)
- Portfolio Management Team:
- Comprised of fixed-income specialists with relevant qualifications in finance or economics
- Upcoming Change: On 2025-06-30, Paul Whitehead will cease serving as a portfolio manager
Developments and Filings
- 2025-05-14 (Form N-CEN): Annual report for registered investment companies, providing operational and administrative data.
- 2025-05-16 (Form 497): Definitive materials announcing that Paul Whitehead will depart the IUSB management team effective 2025-06-30.
- 2025-05-19 (Form 24F-2NT): Notice of securities sold under Rule 24f-2 for the fiscal year-ended, confirming routine compliance and portfolio offerings.
Financial and Strategic Analysis
Key Metrics (as of 2025-05-21)
| Metric | Value |
|---|---|
| Share price | $45.44 |
| Price change | 0.00% |
| Daily volume | 157,160 |
| Average daily volume | 52 |
| Volume rate vs. average | +9,999.99% |
| Net asset value (NAV) | $45.41 |
| Net assets | $33.18 billion |
| Expense ratio (net) | 0.06% |
| Yield | 4.06% |
| P/E ratio (TTM) | 10.80 |
| YTD total return | 1.93% |
| Beta (5 Y monthly) | 0.98 |
Portfolio Characteristics
- Index tracked: Broad U.S. dollar-denominated bond market
- Weighting: Market-value
- Top-10 holdings: 4.2% of assets
- Category: Intermediate Core-Plus Bond
- Fees: Low-cost access to core investment-grade bonds
Strategic Positioning
- Cost efficiency: 0.06% net expense ratio
- Liquidity: High intraday tradability; significant volume recorded on May 21
- Diversification: Exposure across government, corporate, mortgage-backed, and asset-backed bonds
- Risk management: Market-value weighting contributes to a higher-quality bias
Market Position and Industry Context
- AUM ranking: Among the largest core-bond ETFs with $33.18 billion in net assets
- Key competitors:
- Vanguard Total Bond Market ETF (BND)
- SPDR Bloomberg U.S. Aggregate Bond ETF (LAG)
- Fidelity Total Bond ETF (FBND)
- Category dynamics:
- Intermediate Core-Plus Bond funds have delivered moderate returns amid changing interest rate conditions
- Current yields near 4% align with prevailing interest-rate levels set by the Federal Reserve
TL;DR
- On 2025-05-16, IUSB announced that portfolio manager Paul Whitehead will step down effective 2025-06-30.
- On 2025-05-19, the fund filed its annual Rule 24f-2 notice, confirming regulatory compliance.
- As of 2025-05-21, IUSB offers a 4.06% yield, has $33.18 billion in AUM, and maintains a 0.06% expense ratio.
- The transition in portfolio management and the interest-rate environment are notable factors for performance in the coming months.